28348029

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 44236800

約数和(自身を除く): 15888771

約数列:

[1, 3, 9, 23, 27, 69, 191, 207, 239, 573, 621, 717, 1719, 2151, 4393, 5157, 5497, 6453, 13179, 16491, 39537, 45649, 49473, 118611, 136947, 148419, 410841, 1049927, 1232523, 3149781, 9449343, 28348029]

約数ペア:

[(1, 28348029), (3, 9449343), (9, 3149781), (23, 1232523), (27, 1049927), (69, 410841), (191, 148419), (207, 136947), (239, 118611), (573, 49473), (621, 45649), (717, 39537), (1719, 16491), (2151, 13179), (4393, 6453), (5157, 5497)]